Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Λείανση εργαλείων-el#Sense
Værktøjsslibning-da#Sense
Verktygsslipning-sv#Sense
Affûtage-fr#Sense
Werkzeugschleifen-de#Sense
Gereedschapslijpen-nl#Sense
Työkaluhionta-fi#Sense
Tool grinding-en#Sense